The turning effect of a force around a pivot, calculated as force × distance, is called what?

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Prepare for the WJEC Level 1 and 2 Engineering Exam. Explore multiple choice questions, flashcards, and detailed explanations to enhance your understanding. Get exam-ready today!

Multiple Choice

The turning effect of a force around a pivot, calculated as force × distance, is called what?

Explanation:
The turning effect of a force about a pivot is called the moment. It’s found by multiplying the force by the perpendicular distance from the pivot to the line of action of the force (the lever arm). This product gives the magnitude of the turning tendency, with the direction (clockwise or anticlockwise) telling you which way it would rotate. The unit is newton-metres (N·m). In some contexts this same idea is called torque, but for this question the term used is moment.

The turning effect of a force about a pivot is called the moment. It’s found by multiplying the force by the perpendicular distance from the pivot to the line of action of the force (the lever arm). This product gives the magnitude of the turning tendency, with the direction (clockwise or anticlockwise) telling you which way it would rotate. The unit is newton-metres (N·m). In some contexts this same idea is called torque, but for this question the term used is moment.

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